| Nashriyot | Ўзбекистон Республикаси Фанлар академияси |
|---|---|
| Shahar | Toshkent |
| ISSN | 1025-8817 |
| e-ISSN | 2181-077X |
| Tashkil etilgan | 1957 |
| Nashr davriyligi | annual international symposium on ph |
| Ilmiy sohalari | Fizika-matematika |
| OAK ixtisoslik kodi | 01.00.00 (Физика-математика фанлари) |
| Jurnal turi | Миллий |
| OAK holati | Ro‘yxatda |
| Maqolalar indeksda | 430 (2018–2026) |
| Indekslash | Google Scholar, Scopus |
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O‘zbekiston fizika jurnali — rasmiy sayti
The excited collective states of heavy even-even nuclei of the quadrupole type are studied in the framework of an arbitrary nonaxiality approximation of the nonadiabatic collective model. The energy spectrum of the…
The research results of photosensitivity of Au-νGaAs:O-nCdS-nInP-Au heterojunction structure under various electrical circuit configuration are presented. It is experimentally shown that irrespective of the excited…
The spin-dependent size quantization of the energy spectrum of current carriers through a two-barrier semiconductor structure is theoretically researched. In this case, the spin-orbital splitting is taken into account…
Concentration dependences of sodium dodecyl sulfate (SDS) in the concentration range of 0.005−0.03 mole (with the step of 0.001 mole) in water-ethanol solutions with a percentage ratio of 100:0, 92:8, 85:15, 70:30 were…
In connection with the lack of a satisfactory solution of the problem of globular cluster’s classification (GC) of stars we have modelled apparent density by a function with three free parameters. Basic statistical…
Defect formation on the surface of zinc oxide is investigated using the low-energy electrons by total current spectroscopy method. The formation of cation and anion vacancies on the surface is shown. The energy…
Прозрачные керамические YAG-лазерные материалы с высоким содержанием неодима исследуются для применения в преобразовании солнечной энергии в энергию лазерного излучения с помощью метода имитации трассировки лучей…
Numerical calculation was used to analyze the generation of the third harmonic in argon gas. The duration of the main pulse was chosen to be 5 fs. The role of gas ionization and high-order dispersion effects (up to…
In this paper, experimental results obtained by the method of spectroscopy of the characteristic energy loss of electrons are presented to study the composition and electronic structure of Cu(100) with silicon surface…
The technique for producing thin films of higher manganese silicide by magnetron sputtering is considered. The films were obtained on dielectric substrates: sitall СT-35-2 and mica. New results on the structural and…
It has been found that silicon with magnetic nanoclusters is basis for new photomagnetic material possessing high sensitivity both to background and to IR-light. In enough narrow interval of background illumination…
The photosensitive sandwich-structured Au-vGaAs:O-nCdS-nInP-Au semiconductor formed by vacuum deposition of thin films of cadmium sulfide and indium phosphide on a single-crystal substrate of gallium arsenide has been…
A physical model is proposed for the growth of silicon nanoparticles in the form SiH+3 →SiH03 based on the Mott-Gurney scheme. The concept of the formation of silicon nanoparticles from monosilane was developed, taking…
The smelting of industrial silicon is the most energy-intensive and environmentally hazardous process in the production chain of solar cells and electronic products. To solve the problem, new physically justified…
In this work, the diffusion evolution of small electromagnet perturbations in II-type superconductors, placed in a viscous flux flow state is investigated. Analytical formulas for depth and speed of penetration of a…
A frequency shift of Mandelshtam-Brillouin components in spectra of fine structure of Rayleigh light scattering was studied in aqueous solutions of 4-methylpyridine at various concentration and temperature. In the…
The domain structure of thin single-crystal plate of the iron garnet Tb3Fe5O12 has been investigated using the magneto-optical method in the temperature range near the magnetic compensation point of this ferrimagnet Tс…
The possibility of obtaining a tungsten-substituting Ti0.70Mo0.30C cubic alloy by high-temperature sintering (at 2500 K) of powders of TiC and MoC cubic carbides mixed in appropriate proportions has been considered. An…
By computer simulation in the framework of molecular dynamics, it was found that the processes of deposition of non-hydrogenated and hydrogenated carbon atoms onto defect-free graphene depend on the hydrogenation degree…
The paper reports the formation of ZnO nanorods on the surface of a stainless steel mesh. The nanorods in cross section have a regular hexagonal shape. The length of nanorods is 2−15 microns, while a diameter varies…
Correlation between spectrum of the low temperature (T = 4.2 K) photoluminescence and anomalous photovoltages properties of oblique sputtered polycrystalline thin films CdTe, CdTe:In is discovered. In spectrum of…
By the Кubo-Greenwood formula using the Davis-Mott approximation, the spectra of infra-red absorption in amorphous semiconductors are investigated. In is shown, that occurrence of bands of strong absorption in defect…
The transparency of coefficients of the asymmetric potential barriers of a semiconductor structure consisting of alternating potential barriers and potential wells are calculated. In this case, the difference between…
Oscillations of longitudinal electrical conductivity in narrow-gap semiconductors are considered. A theory was constructed of the temperature dependence of the oscillations of the longitudinal electrical conductivity in…
We study strongly non-stationary stochastic processes which take place in the phase space of disk-like self-gravitating systems at the early stage of their evolution. Numerical calculations were carried out based on the…
In this work, we investigated the phase change of the radiation wave of a high-power femtosecond laser propagating in the atmosphere due to absorption of radiation by the medium. Numerical experiments conducted for…
On the basis of the Eliashberg equation’s system the temperature of superconducting transition of fullerene C60 is calculated. An application of the superconducting material in the field of biophysics and medicine is…
The refractometry and infrared spectroscopy methods were used to identify the concentration feature of optical characteristics of the dimethylformamide-acetonitrile binary solutions. The refractive indices of mixtures…
The article contains a hypothesis on the dominance of chemical elements of top periods of the Periodic Table in living matter. The idea is that the elements of the third and next periods of the table, in contrast to the…
Influence of gate lateral extension on the threshold voltage and short-channel effects in SOI FinFET with different shape are simulated by Advanced TCAD Sentaurus method. It is shown gate lateral extension practically…
Nuclear fuel of IRT-4M type was unloaded from the active core of the WWR-SM research reactor each time in different burn-ups. Activity of isotopes in fission products releasing from fuel assemblies were measured and…
The effect of the mass of primary ions on the formation of defects and clusters on the surface of silicon crystals using the SIMS and TRIM methods is investigated. It is shown that the formed interstitial defects on the…
The spectral dependence of MCD was measured at the temperature T=90 K and 300 K in region of λ=400−500 nm. From the experimental results the ratio of Judd`s parameters of intensity of transitions Ω6−Ω4 was found…
In the paper, a correlation between spectrum of low temperature (T = 4.2 K) photoluminescence and anomalous photovoltaic characteristics of oblique sputtered polycrystaline films CdTe, CdTe:In was discovered.
Effect of a transition amorphous layer at the interface between higher manganese silicide (HMS) Mn4Si7 and silicon doped with manganese (Si ) on the photoelectric properties of heterostructures has been considered. The…
It is found that the direct branch of I–V characteristic of the n-GaAs-р-(GaAs)1−x−y(Ge2)x(ZnSe)y heterostructures has the site of sublinear current growth with the voltage of the type V=V0exp(Jad). The concentrations…
In this paper, a dispersion of plasma fluctuations has been theoretically and experimentally studied in monocrystal samples Si(111) and Ge(111). It is shown that the dispersion depends on crystallographic orientations…
The quadratic photoconductivity due to the electric field of a light wave is calculated for a multivalley semi-infinite semiconductor, which is caused by the scattering of current carriers on the surface. By the method…
The paper is devoted to investigation of magnetization on the surface of HTSC by the magnet optical method. It has been shown that in a week external magnetic field flow easily may enter inside the superconducting…